11 results about "Fibre spinning" patented technology

The invention relates to spinning equipment, in particular to an aramid fiber spinning method and equipment, when a plurality of silk threads for textile processing pass through a sectional warping auxiliary mechanism, the silk threads are placed in a silk guide groove body on a silk guide cylinder, after the silk threads are placed, a matched cover plate is pressed on a supporting cross rod, and meanwhile, the silk threads are fixed on the supporting cross rod. The clamping groove bodies arranged at the two ends of the auxiliary cover body at the bottom side position of the matching cover plate are in clamping contact with the bucket-shaped cover body, the auxiliary cover body and the wire guide cylinder play a role in limiting the silk threads, in the process, the silk threads do not need to penetrate through the limiting holes one by one, multiple strands of silk threads can be placed and separated at the same time, and the production efficiency is improved. The operation difficulty of workers is reduced, and the positive effect on improving the spinning efficiency is achieved; in addition, the sectional warping auxiliary mechanism arranged in the scheme can provide a sectional limiting function and can also provide a cleaning effect on the conveyed silk threads, and the positive influence on improvement of the spinning processing quality is achieved.

The invention relates to the field of spinning, and particularly discloses a polyester filament yarn preparation process which comprises the following steps: drying polyester chips, mixing the dried polyester chips with a hydrophilic agent, carrying out melt spinning to form nascent fibers, adopting a linear spinneret plate during spinning at the spinning speed of 4000-6000 m / min, carrying out traction treatment, carrying out heat setting treatment, carrying out alkali treatment, and winding to obtain the polyester filament yarn. Preparing polyester filament yarns; wherein the hydrophilic agent is a mixture of PEG (Polyethylene Glycol) 2000 and PEG 400 in a mass ratio of 1: (2-3). The preparation method has the characteristic that the prepared polyester filament yarn has better hygroscopicity and more excellent mechanical properties.

The invention discloses solution type nanofiber spinning equipment, and relates to the technical field of nanofiber spinning, the solution type nanofiber spinning equipment is characterized in that a first through hole which is horizontally through and a second through hole which is obliquely through are formed in the side wall of a box body, and the second through hole is flush with the first through hole; the air supply assembly is provided with an output end and communicates with the second through hole to guide airflow in. The spinning module comprises a spinning die head and a high-voltage electrostatic ring, the high-voltage electrostatic ring is located below the spinning die head to form a high-voltage electrostatic field, a spinneret orifice is formed in the spinning die head and is a double-layer skin core hole, a spinning solution is guided into the inner layer of the spinneret orifice, and pressurized airflow is guided into the outer layer of the spinneret orifice; the spinning solution flows out through the spinning die head and is drafted under the action of the pressurized airflow, meanwhile, spiral disordered air is formed in the box body, and the spiral disordered air is overlapped with the pressurized airflow and the action of the high-voltage electrostatic field to regulate and control the fiber form. The method has the advantage that various fibers with special-shaped structures can be prepared in a macro-scale manner by regulating and controlling the morphology of the nanofibers.

The utility model relates to the technical field of zirconium oxide fiberboard production equipment and colloid filamentation, in particular to a thread throwing disc for manufacturing zirconium oxide fibers. The thread throwing disc comprises an inner cylinder core and an outer sleeve cover, a plurality of mounting holes are formed in the side wall of the inner cylinder core, detachable thread throwing ring modules are connected in the holes through sleeving rods, thread throwing holes of different specifications are formed in the modules, and flexible replacement of the hole diameter and the number is achieved. The top of the outer sleeve cover is provided with an installation pipe opening connected with a motor shaft and provided with a feeding channel. The outer sleeve cover and the inner cylinder core are in sealed connection through threads, and a sealing gasket and a fixing piece are arranged to enhance stability. The thread throwing ring module is embedded into the through hole of the outer sleeve cover to play a role in limiting and prevent relative rotation. The device is reasonable in structural design, has the advantages of being high in modularization degree, convenient to replace, good in sealing performance, stable in operation and the like, and effectively improves adaptability and economical efficiency in the zirconium oxide fiber production process.

The utility model provides a chemical fiber oiling device which is applied to the field of chemical fiber production, and the technical scheme is that the chemical fiber oiling device comprises a direction changing component, an oiling component and a control component, the contact piece is arranged on one side of the chemical fiber spun yarn and makes the chemical fiber spun yarn pass through the surface of the contact piece in a contact mode; the oil supply assembly is arranged above the contact piece, is positioned on the same side of the chemical fiber spinning with the contact piece, and is used for supplying oil to the surface of the contact piece; the device has the technical effect that broken wires are convenient to clean.

The utility model discloses a chemical fiber post-spinning device applied to home textile products, which comprises an outer frame body, a water tank and three oiling agent tanks are arranged in the outer frame body and positioned between drawing machines, the water tank and the oiling agent tanks are respectively provided with a heater, a steam guide cover is arranged in the water tank and positioned below chemical fiber spinning, and the steam guide cover is provided with a steam outlet. A condenser is installed above the water tank, an oil pump is installed on the side face of the oiling agent tank, and a nozzle set located above chemical fiber spinning is installed on the upper portion of the oiling agent tank. The oil pump pumps the oil in the oil box and sprays the oil on chemical fiber spinning through the sprayer set, the chemical fiber spinning does not need to be bent from the oil box, the lengthening length of the chemical fiber spinning in the processing process is shortened, the heater heats water to generate steam, the steam floats upwards to heat the chemical fiber spinning, and the continuously-floated steam makes contact with the cooling pipe set and the hemispherical shell. The fan accelerates air to flow through the cooling pipe set and the hemispherical shell to keep a low-temperature state, steam becomes water and drips into the water tank along the hemispherical shell, and water recycling is achieved.

The objective of the present invention is to provide a method for manufacturing magnetic health care fabric with antibacterial and infrared radiation properties. The method for manufacturing magnetic health care fabric with antibacterial and fatigue-relieving properties includes the preparation of BFO, the preparation of nano-ZnO dispersion, the preparation of magnetic BFO@ZnO particles, and the production of magnetic fiber. The spinning process includes the blending process, carding process, drawing process, roving process, spinning process, winding process, and weaving process. The zinc ion (Zn 2+ ) serves as the main antibacterial mechanism of nano ZnO, and at the same time, coffee carbon fiber has excellent far-infrared radiation function, which acts on the skin, improves the microcirculation of the human body, and reduces fatigue after exercise. This fabric has the characteristics of antibacterial, fatigue-relieving, moisture-wicking, quick-drying and cool feeling.

The invention discloses an industrial electrostatic spinning machine spinning test device, method and system and a storage medium, the device comprises a working module and a detection module, the working module comprises an electrostatic spinning machine and a spinning recovery rod, the electrostatic spinning machine is used for generating electrostatic spinning fibers, and the spinning recovery rod comprises color partitions; the distance between the two spun yarns is greater than a preset value; the detection module comprises an industrial camera, an amplification device, a processing unit, a transmission unit and a calibration unit, the industrial camera is used for shooting the statically determinate spinning fiber to obtain a shot image, the amplification device is used for amplifying the shot image of the industrial camera, and the transmission unit is used for transmitting the shot image to the processing unit; the calibration unit is used for calibrating a difference parameter between a pixel size and an actual size in the shot image, and the processing unit is used for processing the shot image to extract fiber size information. According to the invention, automatic, high-precision and low-cost electrostatic spinning detection is realized, and the problems of low efficiency and high cost of a traditional method are solved.

The preparation method of the aerogel aramid fiber heat-insulation flocculus for the protective clothing comprises the following steps: a) extruding an aramid nanofiber spinning solution through a spinneret plate, performing 1-2 stages of coagulating bath, and performing multi-stage drafting in the coagulating bath to obtain wet gel fibers; b) collecting the aerogel wet fibers prepared in the step a), shearing to obtain wet gel chopped fibers, and drying to obtain aerogel aramid chopped fibers; and c) mixing the aerogel aramid chopped fibers obtained in the step b) and commercial meta-position aramid short fibers according to a mass ratio, and then performing a needling process to prepare the aerogel aramid thermal insulation flocculus. According to the scheme, aramid is used as a raw material, aerogel aramid chopped fibers are prepared by adopting a wet spinning process, the thermal insulation flocculus formed by mixing commercial meta-position aramid short fibers and aerogel aramid short fibers is prepared on the basis of an aerogel structure of the aerogel aramid fibers, and the aerogel aramid short fibers are added to improve the thermal insulation performance of the flocculus and reduce the gram weight.

The present application discloses a nanofiber spinning nozzle, comprising: a spinneret, a substrate, and an airflow accelerator plate; the substrate and the airflow accelerator plate are symmetrically arranged on both sides of the spinneret, and a melt flow channel is provided in the center of the spinneret; the airflow accelerator plate is located below the spinneret and the substrate and is provided with an airflow acceleration channel inside; wherein, an airflow channel is formed between the first inclined wall surface on the outside of the spinneret and the second inclined wall surface on the inside of the substrate, and the airflow channel is connected to the air supply cavity. The present application increases the airflow velocity on the airflow channel by setting the wall shape of the airflow channel between the spinneret and the air plate to a Laval nozzle structure; at the same time, the parallel throat of the airflow acceleration channel extends the throat, which can reduce the momentum loss of the jet, maintain a higher airflow velocity and airflow temperature over a longer distance, and make the airflow more stable, so that the fiber can be more stably stretched to a greater extent, which is ultimately conducive to obtaining uniform ultrafine nanofibers.